Soares, M. J., L. Kraai, and P. S. Shetty. “The Relative Validity of the 24 Hour Recall : Implications for Dietary Intake Methodology”. The Indian Journal of Nutrition and Dietetics, vol. 31, no. 8, Aug. 1994, pp. 241-6, https://informaticsjournals.co.in/index.php/ijnd/article/view/7999.